I was getting this message to “Uninstall office15 click-to-run extensibility Component” Open “Regedit” and navigate to HKEY_CLASSES_ROOT\Installer\Products\ path. Next delete the following two registry entries. HKEY_CLASSES_ROOT\Installer\Products\00005102C80000000000000000F01FEC HKEY_CLASSES_ROOT\Installer\Products\00005105F80000000100000000F01FEC […]